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Cationic Dyes

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Cationic Dyes 

organic dyes whose molecules contain the grouping Cationic Dyes R3 (where R is an alkyl or aryl radical) and the CI- or CH3SO4- anion in an aliphatic chain or in a heterocycle.Cationic dyes, usually azo, anthraquinone, or polymethine dyes, are used for dyeing polyacrylonitrile fibers.



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Anionic polymeric flocculant hydrogels have been reported to be able to remove cationic dyes (15) but not for anionic dyes such as Congo red (16).
PGA as a flocculating agent and adsorbent for cationic dyes.
A comparative adsorption study with different industrial wastes as adsorbents for the removal of cationic dyes from water.
 
 
 
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